C08B 15/02
Oxycellulose
Official title: Oxycellulose; Hydrocellulose; {Cellulosehydrate, e.g. microcrystalline cellulose}
C08B15/02 (Oxycellulose) appears on 396 US grants and 545 published applications in this corpus.
Search patents in C08B- Granted patents
- 396
- Published applications
- 545
- Assignees
- 295
- Inventors
- 1,139
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 11 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 4 |
| 2002 | 5 | 8 |
| 2003 | 9 | 8 |
| 2004 | 6 | 5 |
| 2005 | 2 | 10 |
| 2006 | 5 | 6 |
| 2007 | 0 | 7 |
| 2008 | 2 | 2 |
| 2009 | 1 | 10 |
| 2010 | 5 | 11 |
| 2011 | 9 | 16 |
| 2012 | 8 | 22 |
| 2013 | 9 | 33 |
| 2014 | 10 | 35 |
| 2015 | 20 | 32 |
| 2016 | 33 | 26 |
| 2017 | 22 | 33 |
| 2018 | 16 | 33 |
| 2019 | 20 | 41 |
| 2020 | 28 | 29 |
| 2021 | 32 | 46 |
| 2022 | 25 | 40 |
| 2023 | 23 | 25 |
| 2024 | 25 | 24 |
| 2025 | 18 | 24 |
| 2026 | 6 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Polysaccharide derivatives for detergent compositions15 Sep 2026US 12,735,511 B2
- Process for manufacturing of nanocrystalline cellulose (NCC)18 Aug 2026US 12,709,648 B2Sixring Inc.
- Fibrous cellulose, fibrous cellulose dispersion, and fibrous cellulose production method16 Jun 2026US 12,655,233 B2Oji Holdings Corporation
- Cationic dyes and uses thereof12 May 2026US 12,624,215 B2Ever Dye
- Viscous aqueous composition and skin external preparation17 Feb 2026US 12,551,427 B2DKS Co. Ltd.
- Nanocellulose-based hybrid materials17 Sep 2026US 2026/0274999 A1Modern Synthesis Ltd.
- Modified carboxymethyl cellulose, their compositions and the uses thereof27 Aug 2026US 2026/0250428 A1ISP Investments Inc.
- Cationic dyes and uses thereof20 Aug 2026US 2026/0242608 A1Ever Dye
- Sulfonated nanocellulose film with high proton conductivity and preparation method therefor2 Jul 2026US 2026/0184821 A1Shaanxi University of Science and Technology
- Living Hydrogels and methods of making and using the same30 Apr 2026US 2026/0115136 A1The Penn State Research Foundation
Most cited
By later US patents
- Powdered oxidized cellulose189US 6,627,749 B1University of Iowa Research Foundation · 2003
- Process for preparing a neutralized oxidized cellulose product and its method of use104US 5,134,229 AJohnson & Johnson Medical, Inc. · 1992
- Process for producing reactive, homogeneous, self-bondable lignocellulose fibers102US 4,022,965 ACrown Zellerbach Corporation · 1977
- Process for the production of polysaccharide-based polycarboxylates100US 5,541,316 AHenkel Kommanditgesellschaft auf Aktien · 1996
- Method of making carboxylated cellulose fibers and products of the method94US 6,379,494 B1Weyerhaeuser Company · 2002